Proequip 15Pc Bi-Metal Hole Saw Kit 19-76mm (M3 Hs

PE7113 - 15pc Bi-Metal Hole Saw Kit For cutting holes in wood drywall steel plate conduits & plumbing pipes. High Speed Steel Bi-Metal cuts smoother and faster perfect for plumbing electrical maintenance and general construction. • M3 HSS Cutting Edge • Includes 11 Bi-Metal Hole Saws • Saw Sizes: 19mm 22mm 25mm 32mm 35mm 38mm 44mm 51mm 57mm 64mm 76mm. • Cutting Depth: 38mm • Arbors: 1 x Fits 14mm-30mm 1 x Fits 32mm-152mm • Extension Bar: 12in/300mm • 1 x Ejector Spring • 1 x Adaptor Tips for Hole Saw Use... Lubricant: Holesaws cut non-ferrous metals more efficiently with the use of lubricant. Cast iron should be cut dry. Aluminium cutting for best results use beeswax or paraffin. Feeds: Even pressure will produce the most efficient cutting action. Excessive pressure will dull teeth and shorten life of holesaw.